/*
 * Copyright (C) 2009 M. Hautle.
 * 
 * This file is part of TrackedBean.
 * 
 * TrackedBean is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any later version.
 * 
 * TrackedBean is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along with TrackedBean. If not, see <http://www.gnu.org/licenses/>.
 */
package ch.trackedbean.validator.engine;

import ch.trackedbean.validator.*;

/**
 * Simple implementation of {@link IErrorDescription}.<br> {@link #getStringRepresentation()} uses the interpolator from
 * {@link ValidatorManager#getMessageInterpolator()} to build the return value.
 * 
 * @author M. Hautle
 */
public class ErrorDescription implements IErrorDescription {
	/** The key of the message. */
	private final String messageKey;

	/** The parameters for the message or null. */
	private Object[] params;

	/**
	 * Default constructor.
	 * 
	 * @param messageKey The key of the message
	 */
	public ErrorDescription(String messageKey) {
		this.messageKey = messageKey;
	}

	/**
	 * Default constructor.
	 * 
	 * @param messageKey The key of the message
	 * @param params The parameters for the message
	 */
	public ErrorDescription(String messageKey, Object... params) {
		this.messageKey = messageKey;
		this.params = params;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String getStringRepresentation() {
		final IInterpolator interpolator = ValidatorManager.getMessageInterpolator();
		if (params == null)
			return interpolator.getMessage(messageKey);
		return interpolator.getMessage(messageKey, params);
	}
}
